The National Air and Space Museum commemorates the history of flight and educates and inspires people through its collections, exhibitions, research, and programs related to aviation, space flight, and planetary studies.

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Helmet X-Ray

This 1964 A4-H “Universal” helmet, designed for more than one suit, could fit on more than one suit. The x-ray reveals ball bearings in the neck ring that allowed the helmet to move right and left without restriction.